How far is Hanoi from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Hanoi (Noi Bai International Airport) is 8641 miles / 13906 kilometers / 7509 nautical miles.

Distance from Houston to Hanoi

There are several ways to calculate the distance from Houston to Hanoi. Here are two standard methods:

Vincenty's formula (applied above)

• 8640.843 miles
• 13906.089 kilometers
• 7508.687 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 8629.772 miles
• 13888.272 kilometers
• 7499.067 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Houston to Hanoi?

The estimated flight time from Houston George Bush Intercontinental Airport to Noi Bai International Airport is 16 hours and 51 minutes.

What is the time difference between Houston and Hanoi?

The time difference between Houston and Hanoi is 13 hours. Hanoi is 13 hours ahead of Houston.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Noi Bai International Airport (HAN)

On average, flying from Houston to Hanoi generates about 1 093 kg of CO2 per passenger, and 1 093 kilograms equals 2 410 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Houston to Hanoi

See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Noi Bai International Airport (HAN).

Airport information

Origin	Houston George Bush Intercontinental Airport
City:	Houston, TX
Country:	United States
IATA Code:	IAH
ICAO Code:	KIAH
Coordinates:	29°59′3″N, 95°20′29″W

Destination	Noi Bai International Airport
City:	Hanoi
Country:	Vietnam
IATA Code:	HAN
ICAO Code:	VVNB
Coordinates:	21°13′16″N, 105°48′25″E